參數(shù)資料
型號: TL1454ACNS
廠商: Texas Instruments, Inc.
英文描述: DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT
中文描述: 雙通道脈寬調(diào)制(PWM)控制電路
文件頁數(shù): 13/27頁
文件大小: 409K
代理商: TL1454ACNS
TL1454A, TL1454AY
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)
CONTROL CIRCUIT
SLVS423 A
MAY 2002
REVISED SEPTEMBER 2002
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 6
100 k
10 k
1 k
OSCILLATOR FREQUENCY
vs
TIMING RESISTANCE
RT
Timing Resistance
f
1 k
10 k
100 k
10 M
1 M
CT = 10 pF
CT = 120 pF
CT = 3900 pF
VCC = 6 V
TA = 25
°
C
CT = 1000 pF
CT = 300 pF
Figure 7
t
OSCILLATOR PERIOD
vs
TIMING CAPACITANCE
10
1
100
105
CT
Timing Capacitance
pF
s
μ
101
100
101
VCC = 6 V
RT = 5.1 k
TA = 25
°
C
102
102
103
104
Figure 8
o
f
510
500
490
480
520
OSCILLATOR FREQUENCY
vs
FREE-AIR TEMPERATURE
530
50
0
50
100
TA
Free-Air Temperature
°
C
VCC = 6 V
RT = 10 k
CT = 120 pF
Figure 9
1.5
1.4
1.3
1.2
1.1
1
0.5
2
P
PWM TRIANGLE WAVEFORM AMPLITUDE
vs
TIMING CAPACITANCE
100
101
102
103
Timing Capacitance
pF
104
VCC = 6 V
RT = 5.1 k
TA = 25
°
C
VO(min)
VO(max)
1.9
1.8
1.7
1.6
0.9
0.8
0.7
0.6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TL1454ACNSR 功能描述:DC/DC 開關(guān)控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1454ACNSRG4 功能描述:DC/DC 開關(guān)控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1454ACPW 功能描述:DC/DC 開關(guān)控制器 Dual-Ch PWM Control Circuit RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1454ACPWG4 功能描述:DC/DC 開關(guān)控制器 Dual-Ch PWM Control Circuit RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TL1454ACPWR 功能描述:DC/DC 開關(guān)控制器 Dual ch PWM Ctlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK